The answer is (2) release a large amount of energy. Nuclear fission form light nuclides from heavy nuclides. While nuclear fusion form heavy nuclides from light nuclides.
The property is its polarity (or hydrogen bonds)
Um okay so I'm not 100 percent sure so I asked Google and it said the answer is genes.
Oh this is extremely hard...i might just die lol jk its the last one measuring cylinder :)